Usage Tips:PLUG & PLAY USB SOUND CARD: PHOINIKAS USB audio adapter can be used to replace a faulty sound card or audio port. Add a 3.5mm port to the computer through the USB port. You can connect devices with 3.5mm jacks /2.0 USB jacks through the USB interface: headphones, speakers, microphone or USB device. Plug and play, no driver required.COMPATIBILITY: Compatible with all common systems, including Windows XP, 7, 8, 8.1, 10, Mac IOS, etc. At the same time, you can connect multiple USB devices or 3.5mm interface devices to PC, laptop, PS4, Xbox One, etc., such as keyboard, mouse, card reader, webcam, MP3 player, earphone, microphone, etc.PERSONALIZED FUNCTION & 4 FEET CABLE: The sound card has a variety of sound effects, you can switch by "EQ", also has mini LED indicator, surround sound, unique volume control keys, microphone mute, speaker mute and volume up / down function keys, You can change traditional volume controls and increase the level of game audio. In addition, with a 4 feet cable, you can place your sound card anywhere.STEREO SOUND ADAPTER: The External sound card has 360 stereo sound surround to prevent electromagnetic interference, and has stable and best sound quality. Ideal for Skype / ICQ / Google Hangouts / Team Speak, it is also suitable for operating a second source of speakers and headphones simultaneously.MULTI-PORT SOUND CARD: PHOINIKAS external sound card is a sound card with audio chip, it has 6 ports, 3 of which are USB2.0 ports, and the other 3 are 3.5mm ports. Multiple ports can be plugged in at the same time, no additional adapters are required.